Home / 51,041.32-70,435.70-28,379.14

Finding the Fourth Proportional to 51,041.32, 70,435.70 and 28,379.14

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Solution

The fourth proportional to 51,041.32, 70,435.70 and 28,379.14 is: 39,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,041.32 : 70,435.70 = 28,379.14 : x
  2. Step 2: Convert to fraction form
    51,041.32/70,435.70 = 28,379.14/x
  3. Step 3: Cross multiply
    51,041.32x = 70,435.70 × 28,379.14
  4. Step 4: Simplify right side
    51,041.32x = 1,998,904,591.30
  5. Step 5: Solve for x
    x = 1,998,904,591.30/51,041.32
  6. Step 6: Final answer
    x = 39,162.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.